US Bridges

W Grand Boulevard over M-10

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011427

Built
1950
75 years old, rebuilt 1995
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
112 ft
2 main spans
Daily traffic
29,000
1993 count
Owner
State
State Highway Agency

About this bridge

W Grand Boulevard over M-10 is a steel continuous stringer/multi-beam or girder carrying W Grand Boulevard over M-10 in Wayne County, Michigan. It was built in 1950 and reconstructed in 1995, so it is 75 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 29,000 vehicles a day, roughly 4% of them trucks, projected to reach 29,000 by 2013. The structure is 112 ft (34 m) long and 160 ft wide.

CarriesW Grand Boulevard
CrossesM-10
LocationIn Detroit
RouteCity Street 2000
Coordinates42.36703, -83.08167
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating44 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length112 ft (34 m)
Longest span54 ft (16.6 m)
Deck width160 ft (48.8 m)
Roadway width100 ft (30.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,000 (1993)
Projected traffic29,000 by 2013
Trucks4%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was W Grand Boulevard over M-10 built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1995.

What condition is W Grand Boulevard over M-10 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does W Grand Boulevard over M-10 carry?

About 29,000 vehicles per day (1993 count), of which roughly 4% are trucks.

How long is W Grand Boulevard over M-10?

The structure is 112 ft (34 m) long with a longest span of 54 ft (16.6 m) and a deck 160 ft wide.

Who owns W Grand Boulevard over M-10?

It is owned by the State Highway Agency.